<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<script type="text/javascript">
			console.log(eval("2+3"));// 5
			eval("var x=10;var y=20;console.log(x*y)");// 200
		</script>
	</head>
	<body>
	</body>
</html>
